[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2018.05.13"]
[Round "6"]
[White "Pham, Khoi"]
[Black "Houtsma, Sybrand"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2001"]
[BlackElo "1814"]
[PlyCount "73"]
[EventDate "2018.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. a4 d5 10. exd5 Nxd5 11. Bd2 0-0 12. Bf3 Nxc3 13. Bxc3 Qc7 14. Na5 Nc6 15. Nxc6 bxc6 16. Qe2 f6 17. a5 Bd5 18. Be4 Bd6 19. h3 f5 20. Bd3 f4 21. f3 Rf6 22. Kh1 Rh6 23. Bxa6 Qd7 24. Bd3 Bc5 25. Bc4 Re8 26. Bxd5+ cxd5 27. b4 Be3 28. Bd2 Rxh3+ 29. gxh3 Qxh3+ 30. Qh2 Qxh2+ 31. Kxh2 Bxd2 32. b5 Be3 33. b6 Re6 34. Rfe1 e4 35. fxe4 dxe4 36. Rxe3 fxe3 37. b7 1-0

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.27"]
[Round "7"]
[White "Arns, Alexander"]
[Black "Houtsma, Sybrand"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1891"]
[BlackElo "1798"]
[PlyCount "120"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 d5 3. Bg2 dxc4 4. Qa4+ Bd7 5. Qxc4 Nc6 6. Nf3 Nf6 7. d3 Rb8 8. 0-0 Be7 9. h3 0-0 10. a3 Be6 11. Qc2 Bd5 12. e4 Be6 13. b4 Qd7 14. Kh2 Rfd8 15. Bb2 Qxd3 16. Qxd3 Rxd3 17. Nxe5 Nxe5 18. Bxe5 Rc8 19. f4 Nd7 20. Bb2 Nb6 21. f5 Bb3 22. e5 Bd5 23. Bxd5 Nxd5 24. Rf2 Rd8 25. Ra2 Bg5 26. h4 Be7 27. Bc1 Ne3 28. Bxe3 Rxe3 29. f6 gxf6 30. exf6 Bd6 31. Rfd2 Bxg3+ 32. Kg2 Bd6 33. Rd5 h6 34. Rad2 Rde8 35. Rf5 Rb3 36. Rd1 Re2+ 37. Kf1 Rh2 38. Nd2 Rd3 39. Rf2 Rxf2+ 40. Kxf2 Kf8 41. Ke2 Rd4 42. Ke3 Rxh4 43. Ne4 Rh3+ 44. Kd4 Ke8 45. Re1 Kd7 46. Nxd6 Kxd6 47. Re7 Rxa3 48. Rxf7 Rf3 49. Rf8 h5 50. Rd8+ Ke6 51. Re8+ Kf7 52. Re7+ Kxf6 53. Rxc7 Rf4+ 54. Kc3 b5 55. Rc6+ Kg5 56. Ra6 h4 57. Rxa7 h3 58. Rg7+ Kh4 59. Rb7 Rf5 60. Rh7+ Rh5 0-1

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.27"]
[Round "6"]
[White "Houtsma, Sybrand"]
[Black "Kunisch, Nina"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1798"]
[BlackElo "1601"]
[PlyCount "107"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nc3 g6 2. Nf3 Bg7 3. e4 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Nxc6 Qxc6 12. 0-0-0 Be6 13. Kb1 a5 14. Bh6 Bxh6 15. Qxh6 Rfd8 16. Bd3 Qd5 17. c4 Qc5 18. Qc1 Rdc8 19. Rhe1 b6 20. Qc3 Ra7 21. Re5 Qc6 22. Rde1 Rcc7 23. R1e2 Qd6 24. Re1 Qc6 25. Qc2 Bxc4 26. Bxc4 Qxc4 27. Qxc4 Rxc4 28. Rxe7 Rxe7 29. Rxe7 Rc6 30. Re2 Rc7 31. Rc2 Rb7 32. a4 Kf8 33. Re2 Rc7 34. Ka2 Rc4 35. b3 Rd4 36. Kb2 Kg7 37. Kc3 Rd5 38. Re4 Rd6 39. f4 h5 40. Kc4 Rd2 41. Kb5 Rxg2 42. Kxb6 Rxh2 43. Kxa5 h4 44. b4 h3 45. Re3 Rf2 46. Rxh3 Rxf4 47. b5 Kf6 48. b6 Rf5+ 49. Ka6 Rf4 50. a5 Rb4 51. Ka7 Rb5 52. Ra3 Ke6 53. b7 Kd7 54. b8Q 1-0

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.26"]
[Round "4"]
[White "Houtsma, Sybrand"]
[Black "Bakiev, Diyor"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1798"]
[BlackElo "1627"]
[PlyCount "96"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d5 5. g3 Nf6 6. Bg5 Bb4 7. Nxc6 bxc6 8. Qd4 c5 9. Qe5+ Be6 10. e3 0-0 11. a3 Ba5 12. Bd3 h6 13. Bxf6 gxf6 14. Qh5 c4 15. Be2 Rb8 16. 0-0-0 Bxc3 17. bxc3 Qe7 18. Rd4 Rb1+ 19. Kd2 Rxh1 20. Qxh6 Qxa3 21. Bd1 Qa1 22. Ke2 c5 23. Qxf6 Rxh2 24. Qg5+ Kh7 25. Rh4+ Rxh4 26. Qxh4+ Kg6 27. Kd2 f6 28. f4 Kf7 29. Qh7+ Ke8 30. Qc7 Qa4 31. Bh5+ Rf7 32. f5 Bd7 33. g4 Qc6 34. Qb8+ Ke7 35. Qg8 Be8 36. g5 fxg5 37. Bxf7 Bxf7 38. Qxg5+ Qf6 39. Qf4 Qd6 40. f6+ Qxf6 41. Qc7+ Ke6 42. Qxc5 Qe7 43. Qc6+ Ke5 44. Qh6 Qf6 45. Qh2+ Ke6 46. Qc7 Qf2+ 47. Kc1 Qxe3+ 48. Kb2 Qb6+ 0-1

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.26"]
[Round "5"]
[White "Seeger, Alexandra"]
[Black "Houtsma, Sybrand"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1615"]
[BlackElo "1798"]
[PlyCount "58"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nc3 e6 4. a3 a6 5. e3 c5 6. Nf3 Nc6 7. Ne5 cxd4 8. Nxc6 bxc6 9. exd4 Bd6 10. Be5 c5 11. Be2 Bxe5 12. dxe5 Nd7 13. f4 0-0 14. 0-0 Bb7 15. Bf3 f6 16. Re1 fxe5 17. fxe5 Qg5 18. Bg4 Rae8 19. Ne4 dxe4 20. Qxd7 Bd5 21. Bh3 Qxe5 22. Rf1 h6 23. c3 e3 24. Bg4 e2 25. Rfe1 Qg5 26. Rxe2 Qxg4 27. Rae1 Qf4 28. b4 Bc4 29. Qd2 Bxe2 0-1

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.25"]
[Round "3"]
[White "Happel, Juergen"]
[Black "Houtsma, Sybrand"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1593"]
[BlackElo "1798"]
[PlyCount "120"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. h3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 cxd4 6. exd4 d5 7. Nf3 Bd6 8. Bxd6 Qxd6 9. Be2 0-0 10. Nbd2 e5 11. dxe5 Nxe5 12. 0-0 Be6 13. Nxe5 Qxe5 14. Nf3 Qf4 15. Qc1 Qc7 16. a3 Rac8 17. Qe3 a6 18. Rfd1 Rfe8 19. Nd4 Bf5 20. Qg3 Qxg3 21. fxg3 Be4 22. Bf3 Re5 23. Kf2 Rce8 24. Re1 Nd7 25. Bxe4 dxe4 26. Ke3 Nb6 27. Kd2 Rg5 28. g4 h5 29. Re2 hxg4 30. h4 Rge5 31. g3 Nc4+ 32. Kc2 f5 33. b3 Nd6 34. Rd1 Nb5 35. Nxb5 axb5 36. Rd7 R8e7 37. Rd8+ Kf7 38. Rh2 e3 39. Re2 f4 40. gxf4 Rh5 41. Kd3 Rxh4 42. Rxe3 Rxe3+ 43. Kxe3 Rh3+ 44. Kd2 Rh2+ 45. Ke3 Rc2 46. Rd3 g3 47. Kd4 g2 48. Rg3 Kf6 49. c4 bxc4 50. bxc4 b6 51. Rg5 Ra2 52. Kd5 Rf2 53. Kc6 Rxf4 54. Rxg2 Rxc4+ 55. Kxb6 Ra4 56. Ra2 g5 57. Kb5 Ra8 58. a4 Kf5 59. a5 Kf4 60. Rg2 g4 1/2-1/2

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.25"]
[Round "2"]
[White "Houtsma, Sybrand"]
[Black "Held, Carsten"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1798"]
[BlackElo "2063"]
[PlyCount "68"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nc3 g6 2. Nf3 Bg7 3. e4 c5 4. Bc4 Nc6 5. 0-0 e6 6. a3 Nge7 7. Qe2 d6 8. d3 0-0 9. Bg5 a6 10. Nd1 b5 11. Ba2 Bb7 12. c3 a5 13. a4 b4 14. Bc4 Qc7 15. Qd2 Na7 16. Bh6 d5 17. Bxg7 Kxg7 18. exd5 Nxd5 19. d4 bxc3 20. bxc3 Nf4 21. Ne3 Bxf3 22. gxf3 Rfd8 23. d5 Nc6 24. Rad1 Ne5 25. Nf5+ exf5 26. Qxf4 f6 27. Rfe1 g5 28. d6 Rxd6 29. Qxf5 Nxc4 30. Qe4 Rad8 31. Rb1 Qf7 32. Rb5 Rd3 33. Rb7 R8d7 34. Qc6 Rxb7 0-1

[Event "Wiesbaden op 29th"]
[Site "Wiesbaden"]
[Date "2017.08.24"]
[Round "1"]
[White "Nagel, Bernhard"]
[Black "Houtsma, Sybrand"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2212"]
[BlackElo "1798"]
[PlyCount "42"]
[EventDate "2017.08.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd7 8. 0-0 Bd6 9. e4 0-0 10. d3 a6 11. Ba4 Re8 12. Bb3 Be6 13. Ng5 Bxb3 14. Qxb3 Qd7 15. f4 h6 16. Nh3 Bc5+ 17. Kh1 Qxd3 18. Bb2 Na5 19. Qd1 Qxd1 20. Raxd1 Rad8 21. Bc1 Nc4 1/2-1/2

